نتایج جستجو برای: laser application

تعداد نتایج: 936548  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هنر - دانشکده هنرهای کاربردی 1387

چکیده ندارد.

Journal: :Journal of Acupuncture and Meridian Studies 2012

Journal: :journal of lasers in medical sciences 0
hooman sadr haghighi department of orthodontics, faculty of dentistry, tabriz university of medical science, tabriz, iran mahsa skandarinejad department of endodontics, faculty of dentistry, tabriz university of medical science, tabriz, iran amir ardalan abdollahi student’s research committee, faculty of dentistry, tabriz university of medical science, tabriz, iran

one common negative side effect of orthodontic treatment with fixed appliances is the development of incipient caries lesions around brackets, particularly in patients with poor oral hygiene. different methods have been used to prevent demineralization such as fluoride therapy and application of sealant to prevent caries. the recent effort to improve the resistance against the demineralization ...

Journal: :journal of lasers in medical sciences 0
mohammad ali ansari laser and plasma research institute, shahid beheshti university ,tehran, iran mohsen erfanzadeh laser and plasma research institute, shahid beheshti university ,tehran, iran ezeddin mohajerani laser and plasma research institute, shahid beheshti university ,tehran, iran

laser-tissue interaction is of great interest due to its significant application in biomedical optics in both diagnostic and treatment purposes. major aspects of the laser-tissue interaction which has to be considered in biomedical studies are the thermal properties of the tissue and the thermal changes caused by the interaction of light and tissue. in this review paper the effects of light on ...

ژورنال: مجله دندانپزشکی 2014
الفقهایی, حانیه نخبه , حیدری, محدثه , شمشیری, احمد رضا , فکرآزاد, رضا , مسلمی, ندا , پاک‌نژاد, مژگان , یعقوبی, سیامک ,

  Background and Aims : Free gingival graft is one of the most predictable procedures for gingival augmentation, but patient’s discomfort and pain during healing period of palatal donor site is a significant concern. The aim of this study was to evaluate the effect of 660nm low power laser on pain and healing in palatal donor sites.   Materials and Methods: The present split mouth randomized co...

Journal: :journal of dentistry, tehran university of medical sciences 0
zahra bahrololoomi faezeh fotuhi ardakani milad sorouri

objectives: fluoride therapy is important for control and prevention of dental caries. laser irradiation can increase fluoride uptake especially when combined with topical fluoride application. the objective of this study was to compare the effects of co 2 and diode lasers on enamel fluoride uptake in primary teeth. materials and methods: forty human primary molars were randomly assigned to fou...

Journal: :journal of dentistry, tehran university of medical sciences 0
abbas monzavi associate professor, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. sima shahabi associate professor, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. reza fekrazad associate professor, laser research center in medical sciences (lrcms), aja university of medical sciences-laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. roohollah behruzi postgraduate student, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran. nasim chiniforush phd candidate of laser dentistry, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran.

peri-implantitis is one of the most common reasons for implant failure. decontamination of infected implant surfaces can be achieved effectively by laser irradiation; although the associated thermal rise may cause irreversible bone damage and lead to implant loss. temperature increments of over 10ºc during laser application may suffice for irreversible bone damage.the purpose of this study was ...

افتخار سادات, بیتا, شکوری, سید کاظم, محودیان, بابک,

Background: knee osteoarthritis is one of the most common causes of chronic disability in the elderly. Despite the widespread application of low energy laser for pain treatment there is much controversy about its efficacy. The aim of this study was to investigate the analgesic effects of low energy laser in patients with knee osteoarthritis along with drug therapy and non - drug therapy in Tabr...

Ansari Nazli Jaffari Fariba Moradi Shahram Nilforoushzadeh Afshar Mohammad Ali

Background and aim: The scars of the cutaneous leishmaniasis and psychologic problems of this disease needs different intervention for its correction. Our objective in this study was to compare the efficacy of trichloroacetic acid (TCA) 50 percent solution and CO2 laser for treatment of the atrophic scars due to leishmaniasis. Materials and methods: This was a randomized clinical trial perfomed...

ژورنال: Anatomical Sciences Journal 2008
Bayat , Mohammad, Dadpey, Masoumeh, Taheri, Sodabeh, Vasheghani, Mohammad mehdi,

Purpose: The aim of present investigation was to evaluate low frequency low-level infra red diode laser therapy for a third degree burn healing in rats skin.Materials and Methods: 36 rats were divided into groups one and two. On day zero three third degree burns were made on the dorsum of each rat by steam. In group one ,first burn were exposed to a 80 Hz –pulsed 890 nm infra red diode laser wi...

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